add brdige device test

re6st/tests/test_network/my_net.py

@@ -45,9 +45,26 @@ class Device(object):
         self.ips.append(address)
         self.net.run(['ip', 'addr', 'add', ip, 'dev', self.name])
 
+class Bridge(Device):
+
+    def __init__(self, netns, name=None):
+        super(Bridge, self).__init__("bridge", name)
+        netns.add_device(self)
+        netns.run(['ip', 'link', 'add', self.name, 'type', 'bridge'])
+        self.up = True
+        
+
 
 class Netns(object):
     """a network namespace"""
+    @property
+    def ip(self):
+        return self.out.ips[-1]
+
+    @property
+    def out(self):
+        return self.devices[-1]
+
     def __init__(self):
         self.devices = []
         self.app = subprocess.Popen(['unshare', '-n'], stdin=subprocess.PIPE)
@@ -70,12 +87,13 @@ class Netns(object):
         """ wrapper for subprocess.checkout"""
         subprocess.check_call(['nsenter', '-t', str(self.pid), '-n'] + cmd, stdout=stdout, stderr=stderr, **kw)
 
-
-
     def add_device(self, dev):
         self.devices.append(dev)
         dev.net = weakref.proxy(self)
 
+
+
+
     @staticmethod
     def connect_direct(node1, node2):
         """connect 2 node by veth"""
@@ -83,18 +101,24 @@ class Netns(object):
         dev2 = Device("veth")
         node1.add_device(dev1)
         node2.add_device(dev2)
+        
         subprocess.check_call(['ip', 'link', 'add', dev1.name, 'netns', str(node1.pid) ,'type', 'veth', 'peer', dev2.name, 'netns', str(node2.pid)])
         dev1.add_ip4("10.1.1.1", prefix=24)
         dev2.add_ip4("10.1.1.2", prefix=24)
         dev1.up = dev2.up = True
+        return dev1, dev2
 
-    @property
-    def ip(self):
-        return self.out.ips[-1]
+    def connect_bridge(self, bridge):
+        dev1 = Device("veth")
+        dev2 = Device("veth")
+        self.add_device(dev1)
+        bridge.net.add_device(dev2)
+
+        subprocess.check_call(['ip', 'link', 'add', dev1.name, 'netns', str(self.pid) ,'type', 'veth', 'peer', dev2.name, 'netns', str(bridge.net.pid)])
+        bridge.net.run(['ip', 'link', 'set', dev2.name, 'master', bridge.name])
+        dev1.up = dev2.up = True
+        return dev1, dev2
 
-    @property
-    def out(self):
-        return self.devices[-1]
 
 
 def main():
@@ -103,15 +127,11 @@ def main():
     print("pid, 1:{}, 2:{}".format(app1.pid, app2.pid))
     Netns.connect_direct(app1, app2)
     
-    
- 
     # subprocess.check_call(['nsenter', '-t', str(app1.pid), '-n','ip', 'route', 'add', '10.1.1.0/24', 'via', '10.1.1.1'])
     # subprocess.check_call(['ip', 'route', 'add', '10.1.1.0/24', 'via', '10.1.1.2'])
     subprocess.check_call(['nsenter', '-t', str(app2.pid), '-n'] + ["ping", "10.1.1.1"])
 
 
-    
-
 def net_simple():
     nm = NetManager()
     node1 = Netns()
@@ -120,9 +140,48 @@ def net_simple():
 
     # subprocess.check_call(['nsenter', '-t', str(node2.pid), '-n'] + ["ping",  '-c', '1', "10.1.1.1"])
     nm.registrys[node1] = [node2]
+
+    for reg in nm.registrys:
+        for node in nm.registrys[reg]:
+            app0 = node.Popen(["ping", "-c", "1", reg.ip], stdout=subprocess.PIPE)
+            ret = app0.wait()
+            assert ret == 0, "network construct failed"
+
+   
+    
+    return nm
+
+def net_route():
+    """netns connect by a route(bridge)"""
+    nm = NetManager()
+
+    router = Netns()
+    br = Bridge(router)
+
+    registry = Netns()
+    node1 = Netns()
+    node2 = Netns()
+    
+    veth_r, _ = registry.connect_bridge(br)
+    veth_n1, _ = node1.connect_bridge(br)
+    veth_n2, _ = node2.connect_bridge(br)
+
+    veth_r.add_ip4("192.168.1.1", 24)
+    veth_n1.add_ip4("192.168.1.2", 24)
+    veth_n2.add_ip4("192.168.1.3", 24)
+
+    nm.object.append(router)
+    nm.registrys[registry] = [node1, node2]
+
+    for reg in nm.registrys:
+        for node in nm.registrys[reg]:
+            app0 = node.Popen(["ping", "-c", "1", reg.ip], stdout=subprocess.PIPE)
+            ret = app0.wait()
+            assert ret == 0, "network construct failed"
+
     return nm
 
 
 if __name__ == "__main__":
-    main()
+    net_route()
     print("good bye!")

re6st/tests/test_network/re6st_wrap.py

@@ -7,9 +7,11 @@ import weakref
 import ipaddress
 import time
 import re
+import tempfile
 from subprocess import PIPE, call
 from pathlib2 import Path
 
+
 import re6st.tests.tools as tools
 
 WORK_DIR = Path(__file__).parent.resolve() / "temp_net_test"
@@ -52,7 +54,7 @@ class Re6stRegistry(object):
         self.ca_crt = self.path / "ca.cert"
         self.log = self.path / "registry.log"
         self.db = self.path / "registry.db"
-        self.run_path = self.path / "run"
+        self.run_path = tempfile.mkdtemp()
 
         if recreate and self.path.exists():
             shutil.rmtree(str(self.path))
@@ -69,8 +71,16 @@ class Re6stRegistry(object):
         self.run()
 
         # wait the servcice started
-        while(not self.log.exists()):
-            time.sleep(0.1)
+        self.node.Popen(['python', '-c', """if 1:
+        import socket, time
+        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        while True:
+            try:
+                s.connect(('localhost', 80))
+                break
+            except socket.error:
+                time.sleep(.1)
+        """]).wait()
 
     @classmethod
     def generate_name(cls):
@@ -102,6 +112,7 @@ class Re6stRegistry(object):
     def __del__(self):
         try:
             self.proc.terminate()
+            shutil.rmtree(self.run_path)
         except:
             pass
 
@@ -121,10 +132,10 @@ class Re6stNode(object):
         self.path = WORK_DIR / self.name
         self.email = self.name + "@example.com"
 
-        self.run_path = self.path / "run"
+        self.run_path = tempfile.mkdtemp()
         self.crt = self.path / "cert.crt"
         self.key = self.path / 'cert.key'
-        self.console = self.run_path / "console.sock"
+        self.console = self.run_path + "/console.sock"
         self.data_file = self.path / "data.json" # contain data for restart node
 
 
@@ -176,8 +187,10 @@ class Re6stNode(object):
                             (self.email,)).fetchone()
             count += 1
             if count > 100:
+                p.terminate()
                 raise Exception("can't connect to the Register")
         out, _ = p.communicate(str(token[0]))
+        print "output: {}".format(out) 
         self.ip6 = re.search('(?<=subnet: )[0-9:a-z]+', out).group(0)
 
         data = {'ip6': self.ip6, 'hash': self.registry.ident}
@@ -201,5 +214,6 @@ class Re6stNode(object):
     def __del__(self):
         try:
             self.proc.terminate()
+            shutil.rmtree(self.run_path)
         except:
             pass

re6st/tests/test_network/test_ping.py

@@ -11,6 +11,23 @@ import my_net
 
 PING_PATH = str(Path(__file__).parent.resolve() / "ping.py")
 
+def deploy_re6st(nm):
+    net = nm.registrys
+    nodes = []
+    registrys = []
+    for registry in net:
+        reg = re6st_wrap.Re6stRegistry(registry, "2001:db8:42::", recreate=True)
+        reg_node = re6st_wrap.Re6stNode(registry, reg, name=reg.name)
+        registrys.append(reg)
+        reg_node.run("--gateway", "--disable-proto", "none", "--ip", registry.ip)
+        nodes.append(reg_node)
+        print("add nodes")
+        for m in net[registry]:
+            node = re6st_wrap.Re6stNode(m, reg)
+            node.run("-i" + m.out.name)
+            nodes.append(node)
+    return nodes, registrys
+
 def wait_stable(nodes, timeout=180):
     sys.stderr.write("wait stalbe\n")
     now = time.time()
@@ -31,6 +48,8 @@ def wait_stable(nodes, timeout=180):
                 node.ping_proc.wait()
         time.sleep(0.5)
         if time.time() - now > timeout:
+            for node in unfinished:
+                node.ping_proc.terminate()
             raise Exception("wait network stable timeout")
 
 def ping_test(nodes):
@@ -72,26 +91,27 @@ class TestPing(unittest.TestCase):
         for proc in out:
             proc = proc.split()[1]
             subprocess.call(["kill", "-15", proc])
+    
 
     def test_sample(self):
         """create a network demo, test the connectivity by ping
         wait the network stable then ping 3 times
         """
         nm =  my_net.net_simple()
-        net = nm.registrys
-        nodes = []
-        registrys = []
-        for registry in net:
-            reg = re6st_wrap.Re6stRegistry(registry, "2001:db8:42::", recreate=True)
-            reg_node = re6st_wrap.Re6stNode(registry, reg, name=reg.name)
-            registrys.append(registry)
-            reg_node.run("--gateway", "--disable-proto", "none", "--ip", registry.ip)
-            nodes.append(reg_node)
-            for m in net[registry]:
-                print("add nodes")
-                node = re6st_wrap.Re6stNode(m, reg)
-                node.run("-i" + m.out.name)
-                nodes.append(node)
+        nodes, registrys = deploy_re6st(nm)
+        
+        wait_stable(nodes)
+        for i in range(3):
+            time.sleep(20)
+            self.assertFalse(ping_test(nodes), "N.{} ping test failed".format(i))
+
+
+    def test_routeur(self):
+        """create a network demo, test the connectivity by ping
+        wait the network stable then ping 3 times
+        """
+        nm =  my_net.net_route()
+        nodes, registrys = deploy_re6st(nm)
         
         wait_stable(nodes)
         for i in range(3):